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[email protected]CVE-2020-8223

HistoryOct 05, 2020 - 2:15 p.m.

CVE-2020-8223

2020-10-0514:15:13

CWE-269

[email protected]

web.nvd.nist.gov

nextcloud

server

19.0.0

logic error

privilege escalation

nvd

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

6.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.8%

JSON

A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.

Affected configurations

NVD

Node

nextcloudnextcloud_serverMatch19.0.0-

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

CPENameOperatorVersion
nextcloud:nextcloud_servernextcloud nextcloud servereq19.0.0

CPE	Name	Operator	Version
nextcloud:nextcloud_server	nextcloud nextcloud server	eq	19.0.0

CNA Affected

[
  {
    "product": "Nextcloud Server",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 19.0.1"
      }
    ]
  }
]